|
%I #4 Nov 24 2017 07:23:48
%S 21,341,6080,119371,2594128,59562253,1412108105,34084604345,
%T 830405539405,20326927577606,498763140162314,12252986488956085,
%U 301198823186866962,7406227684806017087,182140859562873643474,4479722433974259527069
%N Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2, 3 or 4 1s.
%C Column 6 of A295606.
%H R. H. Hardin, <a href="/A295604/b295604.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..0..0..0..0..1. .1..0..0..0..1..0. .0..0..0..1..0..0. .0..1..0..0..0..0
%e ..1..0..0..0..0..0. .0..0..0..0..0..0. .1..1..0..0..0..0. .1..0..0..0..0..0
%e ..0..0..0..0..0..1. .1..0..1..0..1..1. .1..1..1..0..0..0. .0..0..1..1..1..0
%e ..0..1..0..0..0..0. .0..1..0..0..1..1. .0..1..1..0..0..0. .0..0..1..1..1..0
%Y Cf. A295606.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 24 2017
| 